I am demolishing a house built in the 60s piece by piece and saving some of
the materials and using them in a different house (such as the hardwood floors
and 2x4 framing wood). I was wondering if it is possible to re-use the wall
and ceiling fiberglass insulation. It has a foil backing on it and is easy to
roll up. Can you tell me if it will be effective in another property?

Thanks

Deb

You could re-use fiberglass batt insulation
depending on it's condition. If it is mashed down it has lost some of it's
R-Value and you wouldn't want to use it. Also, you want to make sure it is
free of insects and moisture. Installing wet insulation into wall cavities may
lead to dry rot which will damage the structural members of the wall. But, if
it's in good shape you could recycle it and use it in another area.

I've done retrofit projects where we have re-used the insulation. I wouldn't
recommend trying to re-use loose fill insulation from the attic though.
Whether it's fiberglass or cellulose I don't think it would be worth the time
and effort and it will not have the same quality as having new insulation
blown in.